Graham Irwin has worked in the construction industry for over twenty years. He has a degree in physics and management from Claremont McKenna College with additional studies in engineering and architecture at Harvey Mudd College and UC Berkeley, and an extensive background in software development.
Graham recognized the potential of Passive House immediately and was one of the first Passive House Consultants certified in the US, as well as a founding board member of Passive House California and the Passive House Alliance, US (PHAUS). He was subsequently trained by the Passivhaus Institut in Darmstadt, Germany as a Passive House project certifier.
Graham is actively involved in Passive House advocacy, promotion and education. In addition to project-based work, he advises government agencies on energy policy and lectures regularly. He is a USGBC LEED AP, a Build It Green Certified Green Building Professional, and a licensed architect and licensed general contractor in the state of California.